| SPECIFICATION OF SCHAEFFER’S ACID (SODIUM SALT) |
| SYNONYM |
- 2 Naphthol 6 Sulphonic Acid
- 6-Hydroxy-2-Naphthalene Sulfonic Acid
|
| FORMULA |
C10H8O4SNA |
| MOLECULAR STRACTURE |
 |
| CAS.NO |
135-76-2 |
| MOL .WT. |
246.00 g/mol |
| APPEAREANCE |
WHTE POWDER (SEMI DRY) |
| PURITY |
80 % MIN |
| R + G CONTENT |
0.50 % MAX |
| BETA NAPHTHOL CONTENT |
0.10 % MAX |
| INSOLUABLE |
0.10% MAX |
| BASIS OF SALE |
ON 100% REAL BASIS |
| PACKING |
25 KG / 50 KG HDPE BAGS WITH DOUBLE INNER LDPE LINNER |
| APPLICATION |
INTERMEDIATES FOR FOOD COLOURS (SUNSET YELLOW ), ACID DYES, DIRECT DYES, REACTIVE DYES |
| SPECIFICATION OF SCHAEFFER’S ACID (FREE ACID) |
| SYNONYM |
- 2 Naphthol 6 Sulphonic Acid (Potassium Salt)
- 6-Hydroxy-2-Naphthalene Sulfonic Acid
|
| FORMULA |
C10H8O4S |
| MOLECULAR STRACTURE |
 |
| CAS.NO |
93-01-6 |
| MOL .WT. |
224.20 g/mol |
| APPEAREANCE |
WHTE POWDER |
| PURITY |
75 % MIN |
| R + G CONTENT |
0.50 % MAX |
| BETA NAPHTHOL CONTENT |
0.10 % MAX |
| INSOLUABLE |
0.10% MAX |
| BASIS OF SALE |
ON AS IS BASIS |
| PACKING |
25 KG / 50 KG HDPE BAGS WITH DOUBLE INNER LDPE LINNER |
| APPLICATION |
INTERMEDIATES FOR FOOD COLOURS (SUNSET YELLOW ), ACID DYES, DIRECT DYES, REACTIVE DYES |
| SPECIFICATION OF SCHAEFFER’S ACID (POTASSIUM SALT) |
| SYNONYM |
- 2 Naphthol 6 Sulphonic Acid (Potassium Salt)
- 6-Hydroxy-2-Naphthalene Sulfonic Acid
|
| FORMULA |
C10H8O4SK |
| MOLECULAR STRACTURE |
 |
| CAS.NO |
833-66-2 |
| MOL .WT. |
262.00 g/mol |
| APPEAREANCE |
WHTE POWDER |
| PURITY |
96 % MIN |
| R + G CONTENT |
0.50 % MAX |
| BETA NAPHTHOL CONTENT |
0.10 % MAX |
| INSOLUABLE |
0.10% MAX |
| BASIS OF SALE |
ON AS IS BASIS |
| PACKING |
25 KG / 50 KG HDPE BAGS WITH DOUBLE INNER LDPE LINNER |
| APPLICATION |
INTERMEDIATES FOR FOOD COLOURS (SUNSET YELLOW ), ACID DYES, DIRECT DYES, REACTIVE DYES |
Agrawal Dyestuff
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